
Contents
1 Working on your computer.............................................................................................. 5
Before working inside your computer.................................................................................................................................5
Turning Off Your Computer................................................................................................................................................6
After working inside your computer....................................................................................................................................6
2 Removing and installing components...............................................................................7
Recommended tools...........................................................................................................................................................7
Removing the cover........................................................................................................................................................... 7
Installing the cover..............................................................................................................................................................7
Removing the bezel............................................................................................................................................................7
Installing the bezel..............................................................................................................................................................8
Opening the front bezel door............................................................................................................................................. 8
Removing the hard drive assembly.....................................................................................................................................8
Installing the hard drive assembly....................................................................................................................................... 8
Removing the ....................................................................................................................................................................8
Installing the ...................................................................................................................................................................... 9
Removing the WLAN card..................................................................................................................................................9
Installing the WLAN Card..................................................................................................................................................10
Removing the memory module......................................................................................................................................... 10
Installing the memory module............................................................................................................................................10
Removing the PCIe expansion card...................................................................................................................................10
Installing the PCIe expansion card......................................................................................................................................11
Removing the power supply unit (PSU).............................................................................................................................11
Installing the power supply unit (PSU)...............................................................................................................................11
Removing the power switch.............................................................................................................................................. 11
Installing the power switch................................................................................................................................................12
Removing the coin cell battery..........................................................................................................................................12
Installing the coin cell battery............................................................................................................................................12
Removing the heat sink assembly..................................................................................................................................... 12
Installing the heat sink assembly....................................................................................................................................... 13
Removing the processor................................................................................................................................................... 13
Installing the processor..................................................................................................................................................... 13
Removing the system fan................................................................................................................................................. 14
Installing the system fan....................................................................................................................................................14
Removing the system board............................................................................................................................................. 14
Installing the system board............................................................................................................................................... 15
System Board Layout........................................................................................................................................................16
3 Troubleshooting your computer.....................................................................................17
Diagnostic power LED codes.............................................................................................................................................17
Diagnostic error messages................................................................................................................................................ 18
System error messages.....................................................................................................................................................21
3